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Senior Python Developer Jobs in New Castle, DE (NOW HIRING)

Job Title: Sr. Support Engineer - Discovery Location: Wilmington, DE Type: Contract The AWS ... Python) 3) Amazon Web Services (specifically EC2, S3 and AutoScaling) 4) Sun Grid Engine 5) ...

Job Title: Sr. Support Engineer - Discovery Location: Wilmington, DE Type: Contract The AWS ... Python) 3) Amazon Web Services (specifically EC2, S3 and AutoScaling) 4) Sun Grid Engine 5) ...

Operate as a senior DevOps engineer, actively contributing to CI/CD pipeline development and cloud ... Python, Bash, etc.). * Experience working in environments that include both cloud and on-prem ...

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Senior BigData Engineer

Wilmington, DE

$102.90K - $139.70K/yr

Senior BigData Engineer Location: Wilmington, DE Duration: Multi-Year Contract • Will join a ... Python, Java, C++, PySpark, Scala General Responsibilities: • Create and maintain optimal ...

Senior Hardware Engineer

Wilmington, DE

$107.20K - $143.10K/yr

Duckietown is looking for a senior hardware engineer . Duckietown is an American and Swiss robotics ... Experience with any / all amongst Python, C, ROS, and Docker; * You are fluent in Mandarin; * Work ...

Senior Data Architect

West Chester, PA · On-site

$63.75 - $85.25/hr

This role blends hands on data architecture with cloud and on prem platform engineering ... Developing ingestion and transformation logic using SQL and Python * Supporting integration ...

Senior Data Engineer

Wilmington, DE

$102.90K - $139.70K/yr

Utilize programming languages like Python and Open Source RDBMS and NoSQL databases and Cloud based data warehousing services such as Redshift and Snowflake * Share your passion for staying on top of ...

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Senior Python Developer information

See New Castle, DE salary details

$53.3K

$137.7K

$189.1K

How much do senior python developer jobs pay per year?

As of May 30, 2026, the average yearly pay for senior python developer in New Castle, DE is $137,676.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $158,500.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Python Developer, and why are they important?

To thrive as a Senior Python Developer, you need advanced proficiency in Python programming, experience with software architecture, and a solid understanding of algorithms and data structures, usually backed by a degree in computer science or related fields. Familiarity with frameworks like Django or Flask, version control systems such as Git, and containerization tools like Docker are typically required, alongside knowledge of modern CI/CD pipelines. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastery of these skills ensures the delivery of scalable, maintainable software solutions and the ability to drive technical excellence within development teams.

What are some common challenges faced by Senior Python Developers when leading a development team?

Senior Python Developers often encounter challenges such as balancing hands-on coding with mentoring junior team members and ensuring code quality across the team. They are also responsible for making architectural decisions, which requires staying updated on best practices and emerging Python frameworks. Additionally, coordinating collaboration between cross-functional teams (like DevOps, QA, and front-end developers) can be complex, especially in agile environments where requirements may shift rapidly. Overcoming these challenges helps foster a productive and innovative team culture.

What are the main responsibilities of a Senior Python Developer?

A Senior Python Developer is responsible for designing, developing, and maintaining complex software applications using the Python programming language. They lead the technical aspects of projects, mentor junior developers, and ensure code quality through code reviews and best practices. Additionally, they collaborate with cross-functional teams to gather requirements, solve technical challenges, and deploy scalable and efficient solutions. Senior Python Developers are also expected to stay updated with the latest trends and advancements in Python and related technologies.

What is the difference between Senior Python Developer vs Python Developer?

AspectSenior Python DeveloperPython Developer
Required ExperienceTypically 5+ years, with leadership and complex project experienceUsually 1-3 years, focusing on core Python skills
ResponsibilitiesDesigning architecture, mentoring, handling complex systemsWriting code, debugging, implementing features
CertificationsOptional but beneficial (e.g., Python certifications, cloud certs)Often not required
Work EnvironmentCollaborative teams, project planning, code reviewsDevelopment-focused, task-oriented

The main difference between a Senior Python Developer and a Python Developer lies in experience, responsibilities, and leadership. Senior developers handle complex projects, mentor others, and often participate in architecture decisions, while Python Developers focus on coding and feature implementation. Both roles are essential in tech companies, but the senior role requires more experience and broader skills.

What cities near New Castle, DE are hiring for Senior Python Developer jobs? Cities near New Castle, DE with the most Senior Python Developer job openings:

Full-time

Posted 27 days ago


Job description

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Senior Developer \- We are seeking a skilled and motivated individual to join our credit execution team. The individual will play a critical role in transitioning an on\-premises decision engine to a modernized, cloud\-native implementation. This transformation will be executed incrementally, enabling the continuous realization of business objectives across the development lifecycle, testing, and deployment improvements.<\/span>
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The ideal candidate will bring technical expertise, strategic thinking, and collaboration skills to drive optimization and deliver value at every stage of the modernization journey.<\/span>
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Key Responsibilities<\/span><\/span><\/b>
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  • Partner with technology, credit risk, and product teams to execute the modernization roadmap.<\/span>
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  • Ramp up quickly on the current decision engine architecture and business workflows.<\/span>
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  • Analyze and identify areas for optimization as the platform transitions to the target state.<\/span>
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  • Drive technical discussions and propose improvements for seamless modernization.<\/span>
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    Qualifications<\/span><\/span><\/b>
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    • A minimum of seven years in financial services involved with strategy\-based decisioning platforms<\/span>
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    • Five years of programming experience (JavaScript, Python etc.) and a strong fundamental understanding of data structures<\/span>
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    • Strong knowledge of AWS Cloud, containerization (e.g., Kubernetes, Docker), and programming in Java and JSON to support design and implementation tasks<\/span>
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    • Proven experience in modernizing enterprise systems to cloud\-native architectures.<\/span>
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    • Proficient in Agile methodologies and incremental delivery approaches.<\/span>
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    • Expertise with decision engines\/rule\-based systems<\/span>
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    • Ability to communicate effectively with technical and non\-technical stakeholders.<\/span>
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